PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1873Orifice,compensator

Eaton Aerospace, Llc Dba Jackson South · NSN 4920-00-790-9721 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-790-9721 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-790-9721. Primary manufacturer part number: 1873.
Features
  • Orifice,compensator — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Orifice,compensator, cataloged under National Stock Number 4920-00-790-9721, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameOrifice,compensator
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersGeneral Signal Corp (CAGE 43491); Eaton Aerospace, Llc Dba Jackson South (CAGE 90166); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN4920-00-790-9721
Primary Part Number1873
Item NameOrifice,compensator
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3950-00-115-2541 INTERCHANGEABLE
Disk,center Frictio
4820-00-288-71871871 INTERCHANGEABLE
Valve,globe
Flowserve Inc
6240-00-419-3185 INTERCHANGEABLE
Lamp,incandescent
7710-00-551-2378 INTERCHANGEABLE
Tympani
3720-00-626-4836 INTERCHANGEABLE
Strip,backing,knife
5342-00-679-98672246 INTERCHANGEABLE
Mount,resilient,weapon System
Bushings Inc
2990-00-810-44131873 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5910-00-837-83580180-0052 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Keysight Technologies Inc
2945-01-068-5342 INTERCHANGEABLE
Strainer,line
6515-01-174-33441873-58 INTERCHANGEABLE
Intravenous Injection Set
Abbott Laboratories Inc. Div Hospital Products Division
Cross-Reference Index
Part NumberManufacturer
1873 General Signal Corp (USA)
1873 Eaton Aerospace, Llc Dba Jackson South (USA)
1873 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3950-00-115-2541INTERCHANGEABLE
DISK,CENTER FRICTIO
4820-00-288-7187INTERCHANGEABLE
VALVE,GLOBE
1871
6240-00-419-3185INTERCHANGEABLE
LAMP,INCANDESCENT
7710-00-551-2378INTERCHANGEABLE
TYMPANI
3720-00-626-4836INTERCHANGEABLE
STRIP,BACKING,KNIFE
5342-00-679-9867INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
2246
2990-00-810-4413INTERCHANGEABLE
MUFFLER,EXHAUST
1873
5910-00-837-8358INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0052
2945-01-068-5342INTERCHANGEABLE
STRAINER,LINE
6515-01-174-3344INTERCHANGEABLE
INTRAVENOUS INJECTION SET
1873-58
5305-01-465-0259INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
9911873
4730-01-530-6272INTERCHANGEABLE
STRAINER,SUCTION
1873

Frequently Asked Questions

What is NSN 4920-00-790-9721?

NSN 4920-00-790-9721 is a Orifice,compensator, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-790-9721?

NSN 4920-00-790-9721 has 3 cross-referenced part numbers: 1873 (General Signal Corp), 1873 (Eaton Aerospace, Llc Dba Jackson South), 1873 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4920-00-790-9721?

There are 12 known substitutes for 4920-00-790-9721: 3950-00-115-2541, 4820-00-288-7187, 6240-00-419-3185 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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